Waxes as a black liquor viscosity modifier
US4776889A · kind A · utility
3Cited by
2References
7Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Nov 5, 1987 |
| Grant date | Oct 11, 1988 |
| Priority date | — |
| Expiry date | Nov 5, 2007 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08L97/005
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
Black liquor is rendered more pumpable by reducing its viscosity by adding to the black liquor at least a part per million of a wax based on the solids present in the black liquor.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.